Net Heat Transfer in Radiation Formulas

Net Heat Transfer is the amount of heat that is transferred per unit of time in some material, usually measured in watts (joules per second). And is denoted by Q_1-2. Net Heat Transfer is usually measured using the Watt for Power. Note that the value of Net Heat Transfer is always positive.

Formulas to find Net Heat Transfer in Radiation

fxNet Heat Exchange given Area 1 and Shape Factor 12Go

fxNet Heat Exchange given Area 2 and Shape Factor 21Go

List of variables in Radiation formulas

fx Surface Area of Body 1 Go

fx Radiation Shape Factor 12 Go

fx Emissive Power of 1st Blackbody Go

fx Emissive Power of 2nd Blackbody Go

fx Surface Area of Body 2 Go

fx Radiation Shape Factor 21 Go

FAQ

What is the Net Heat Transfer?

Net Heat Transfer is the amount of heat that is transferred per unit of time in some material, usually measured in watts (joules per second). Net Heat Transfer is usually measured using the Watt for Power. Note that the value of Net Heat Transfer is always positive.

Can the Net Heat Transfer be negative?

No, the Net Heat Transfer, measured in Power cannot be negative.

What unit is used to measure Net Heat Transfer?

Net Heat Transfer is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Net Heat Transfer can be measured.

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